Home / 347,922.80-521,932.80-148,241.60

Finding the Fourth Proportional to 347,922.80, 521,932.80 and 148,241.60

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Solution

The fourth proportional to 347,922.80, 521,932.80 and 148,241.60 is: 222,383.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,922.80 : 521,932.80 = 148,241.60 : x
  2. Step 2: Convert to fraction form
    347,922.80/521,932.80 = 148,241.60/x
  3. Step 3: Cross multiply
    347,922.80x = 521,932.80 × 148,241.60
  4. Step 4: Simplify right side
    347,922.80x = 77,372,153,364.48
  5. Step 5: Solve for x
    x = 77,372,153,364.48/347,922.80
  6. Step 6: Final answer
    x = 222,383.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.